Vulnerability record · CVE-2006-0381 · published 25 January 2006

CVE-2006-0381: Freebsd vulnerability

Freebsd · Freebsd

A logic error in the IP fragment cache functionality in pf in FreeBSD 5.3, 5.4, and 6.0, and OpenBSD, when a 'scrub fragment crop' or 'scrub fragment drop-ovl' rule is being used, allows remote attackers to cause a denial of service (crash) via crafted packets that cause a packet fragment to be inserted twice.

5.0 CVSS 2.0 Medium EPSS 6.6% · top 6.4%

5.0CVSS 2.0 base score

6.6%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

16References

16 Jun 2026Last modified by NVD

Description

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Freebsd Freebsd

References

Link	Tags
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:07.pf.asc	Patch
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-004.txt.asc
http://secunia.com/advisories/18609	PatchVendor Advisory
http://securitytracker.com/id?1015542
http://www.openbsd.org/cgi-bin/cvsweb/src/sys/net/pf_norm.c.diff?r1=1.103&r2=1.104
http://www.osvdb.org/22732
http://www.securityfocus.com/bid/16375
https://exchange.xforce.ibmcloud.com/vulnerabilities/24337
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:07.pf.asc	Patch
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-004.txt.asc
http://secunia.com/advisories/18609	PatchVendor Advisory
http://securitytracker.com/id?1015542
http://www.openbsd.org/cgi-bin/cvsweb/src/sys/net/pf_norm.c.diff?r1=1.103&r2=1.104
http://www.osvdb.org/22732
http://www.securityfocus.com/bid/16375
https://exchange.xforce.ibmcloud.com/vulnerabilities/24337

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2006-0381), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.